Writing Device Tree Source (DTS)

[Yoder Stuart-B08248]

On Mon, Nov 23, 2009 at 2:57 AM, Kumar Amarjit <amarjit.kumar at patni.com>
wrote:
>
> Hi All,
> We are using PowerPc440 core on our Soc that consists of PCIe core,
SAS core and many other things.
> We are writing DTS for our board to be used during booting, we have
gone through various dts files available inside the Linux Kernel 2.6.31.
> Our board is closets match with Taishan board.
> While referring the Taishan.dts, we are unable to get the information
regarding Interrupt-map and interrupt-map-mask property.
> Please refer to the snippet.......
> It would be great if anybody help me to understand the way they are
writing these properties?
> I also gone through the DTS document booting-without-of but that does
not help us, so anybody having any documents on How To Write DTS can
help me out.

Take a look at the ePAPR:
http://www.power.org/resources/downloads/Power_ePAPR_APPROVED_v1.0.pdf

See section 2.4 which discusses interrupts and interrupt
mapping.

This is not a how to, but explains the properties.

Stuart